Click the piece that is perfectly straight and vertical on the left side.  The right side has a triangle point sticking out at the top, and a large triangle
Click a flat-topped table that has two large triangle legs below it
Click a piece that looks like a boat or a top hat.  It has a pointed top edge with three triangles, and tiny triangles sticking out horizontally ne
Click the staircase shape

Outcome: successful
Speaker comments: N/A